<script setup>
import {
    Edit,
    Delete
} from '@element-plus/icons-vue'

import { ref } from 'vue'

//文章分类数据模型
const categorys = ref([])
//获取文章分类列表
import {getArticleCategoryService, getArticleListService,addArticleService,
    updateArticleService,deleteArticleService} from '@/api/article'
const getCategoryList = async ()=>{
    let result = await getArticleCategoryService();
    categorys.value = result.data;
}
getCategoryList();
//用户搜索时选中的分类id
const categoryId=ref('')

//用户搜索时选中的发布状态
const state=ref('')

//文章列表数据模型
const articles = ref([])

//分页条数据模型
const pageNum = ref(1)//当前页
const total = ref(20)//总条数
const pageSize = ref(3)//每页条数

//当每页条数发生了变化，调用此函数
const onSizeChange = (size) => {
    pageSize.value = size;
    getArticleList();
}
//当前页码发生变化，调用此函数
const onCurrentChange = (num) => {
    pageNum.value = num;
    getArticleList();
}
//获取文章列表
const getArticleList = async ()=>{
    let queryData = {
        pageNum: pageNum.value,
        pageSize: pageSize.value,
        categoryId: categoryId.value?categoryId.value:null,
        state: state.value?state.value:null
    };
    let result = await getArticleListService(queryData);
    articles.value = result.data.items;
    total.value = result.data.total;
    for(let i=0;i<articles.value.length;i++){
        let article = articles.value[i];
        for(let j=0;j<categorys.value.length;j++){
            if(article.categoryId == categorys.value[j].id){
                article.categoryName = categorys.value[j].categoryName;
            }
        }  
    }
}
getArticleList()

import { QuillEditor } from '@vueup/vue-quill'
import '@vueup/vue-quill/dist/vue-quill.snow.css'
import {Plus} from '@element-plus/icons-vue'
const imgUrl = 'http://localhost:8080/images/'
//控制抽屉是否显示
const visibleDrawer = ref(false)
//添加表单数据模型
const articleModel = ref({
    title: '',
    categoryId: '',
    coverImg: '',
    content:'',
    state:''
})
import { useTokenStore } from '@/stores/token'
const token = useTokenStore().token;

import { ElMessage } from 'element-plus'
//上传成功的回调函数
const uploadSuccess = (result)=>{
    articleModel.value.coverImg = imgUrl + result.data;
    // console.log("filePath:"+result.data)
    console.log("articleModel.coverImg:"+articleModel.value.coverImg);
    // ElMessage.success('上传成功')
}
//清空文章模型
const resetArticleModel=()=>{ 
    articleModel.value.title = ''
    articleModel.value.content = ' '
    articleModel.value.coverImg = ''
    articleModel.value.categoryId = ''
    articleModel.value.state = ''
    console.log("articleModel:"+articleModel.value.content)
}
// 更新草稿
const updateDraft = async (state)=>{ 

}
// //草稿处理
// const draft = async (state)=>{
//     articleModel.value.state = state
//     if(drawerTitle === '添加文章'){
//         await addArticleService(articleModel.value)
//     }
//     if(drawerTitle === '修改文章'){
//         await updateArticleService(articleModel.value)
//     }

//     let result = await addArticleService(articleModel.value);
//     getArticleList();
//     visibleDrawer.value=false;
//     ElMessage.success(result.msg?result.msg:'上传成功');
// }
//发布
const submit = async (state)=>{
    articleModel.value.state = state
    console.log(articleModel.value.title)
    // console.log(articleModel.value.content)
    console.log(articleModel.value.coverImg)
    if(drawerTitle.value === '添加文章'){
        let result = await addArticleService(articleModel.value)
        ElMessage.success(result.msg?result.msg:'上传成功');
    }
    if(drawerTitle.value === '修改文章'){
        let result = await updateArticleService(articleModel.value)
        ElMessage.success(result.msg?result.msg:'修改成功');
    }
    getArticleList();
    visibleDrawer.value=false;
    
}

//
//修改文章
const editArticle = (row)=>{ 
    articleModel.value = {...row};
    articleModel.value.id = row.id
    console.log(articleModel.value)
    drawerTitle.value = '修改文章'
    visibleDrawer.value=true;
}
//删除文章
const delArticle = async (id)=>{ 
    let result = await deleteArticleService(id);
    ElMessage.success(result.msg?result.msg:'删除成功');
    getArticleList();
}
const drawerTitle = ref('')


</script>
<template>
    <el-card class="page-container">
        <template #header>
            <div class="header">
                <span>文章管理</span>
                <div class="extra">
                    <el-button type="primary" @click="visibleDrawer=true;drawerTitle='添加文章';resetArticleModel();">添加文章</el-button>
                </div>
            </div>
        </template>
        <!-- 搜索表单 -->
        <el-form inline>
            <el-form-item label="文章分类：">
                <el-select placeholder="请选择" v-model="categoryId" style="width:200px">
                    <el-option 
                        v-for="c in categorys" 
                        :key="c.id" 
                        :label="c.categoryName"
                        :value="c.id">
                    </el-option>
                </el-select>
            </el-form-item>

            <el-form-item label="发布状态：">
                <el-select placeholder="请选择" v-model="state" style="width:100px">
                    <el-option label="已发布" value="已发布"></el-option>
                    <el-option label="草稿" value="草稿"></el-option>
                </el-select>
            </el-form-item>
            <el-form-item>
                <el-button type="primary" @click="getArticleList">搜索</el-button>
                <el-button @click="categoryId='';state='';getArticleList()">重置</el-button>
            </el-form-item>
        </el-form>
        <!-- 文章列表 -->
        <el-table :data="articles" style="width: 100%">
            <el-table-column label="文章标题" width="400" prop="title"></el-table-column>
            <el-table-column label="分类" prop="categoryName"></el-table-column>
            <el-table-column label="发表时间" prop="createTime"> </el-table-column>
            <el-table-column label="状态" prop="state"></el-table-column>
            <el-table-column label="操作" width="100">
                <template #default="{ row }">
                    <el-button :icon="Edit" circle plain type="primary" @click="editArticle(row)"></el-button>
                    <el-button :icon="Delete" circle plain type="danger" @click="delArticle(row.id)" ></el-button>
                </template>
            </el-table-column>
            <template #empty>
                <el-empty description="没有数据" />
            </template>
        </el-table>
        <!-- 分页条 -->
        <el-pagination v-model:current-page="pageNum" v-model:page-size="pageSize" :page-sizes="[3, 5 ,10, 15]"
            layout="jumper, total, sizes, prev, pager, next" background :total="total" @size-change="onSizeChange"
            @current-change="onCurrentChange" style="margin-top: 20px; justify-content: flex-end" />
        <!-- 抽屉 -->
        <el-drawer v-model="visibleDrawer" :title="drawerTitle" direction="rtl" size="50%">
            <!-- 添加文章表单 -->
            <el-form :model="articleModel" label-width="100px" >
                <el-form-item label="文章标题" >
                    <el-input v-model="articleModel.title" placeholder="请输入标题"></el-input>
                </el-form-item>
                <el-form-item label="文章分类">
                    <el-select placeholder="请选择" v-model="articleModel.categoryId">
                        <el-option v-for="c in categorys" :key="c.id" :label="c.categoryName" :value="c.id">
                        </el-option>
                    </el-select>
                </el-form-item>
                <el-form-item label="文章封面">
                    <!-- el-upload:上传图片 -->
                     <!-- 
                        auto-upload:设置是否自动上传图片
                        action:设置上传图片的接口地址
                        name:设置上传的文件字段名
                        headers:设置上传图片的请求头-如：token
                        on-success:设置上传成功后的回调函数
                     -->
                    <el-upload class="avatar-uploader" 
                    :auto-upload="true" 
                    :show-file-list="false"
                    action="/api/upload"
                    name="file" 
                    :headers="{'Authorization':token}"
                    :on-success="uploadSuccess"
                    >
                        <img v-if="articleModel.coverImg" :src="articleModel.coverImg" class="avatar" />
                        <el-icon v-else class="avatar-uploader-icon">
                            <Plus />
                        </el-icon>
                    </el-upload>
                </el-form-item>
                <el-form-item label="文章内容">
                    <div class="editor">
                        <quill-editor
                            theme="snow"
                            v-model:content="articleModel.content"
                            contentType="html"
                            >
                        </quill-editor>
                    </div>
                </el-form-item>
                <el-form-item>
                    <el-button type="primary" @click="submit('已发布')">发布</el-button>
                    <el-button type="info" @click="submit('草稿')">草稿</el-button>
                </el-form-item>
            </el-form>
        </el-drawer>
    </el-card>
</template>
<style lang="scss" scoped>
.page-container {
    min-height: 100%;
    box-sizing: border-box;
    .header {
        display: flex;
        align-items: center;
        justify-content: space-between;
    }
}
/* 抽屉样式 */
.avatar-uploader {
    :deep() {
        .avatar {
            width: 178px;
            height: 178px;
            display: block;
        }

        .el-upload {
            border: 1px dashed var(--el-border-color);
            border-radius: 6px;
            cursor: pointer;
            position: relative;
            overflow: hidden;
            transition: var(--el-transition-duration-fast);
        }

        .el-upload:hover {
            border-color: var(--el-color-primary);
        }

        .el-icon.avatar-uploader-icon {
            font-size: 28px;
            color: #8c939d;
            width: 178px;
            height: 178px;
            text-align: center;
        }
    }
}
.editor {
  width: 100%;
  :deep(.ql-editor) {
    min-height: 200px;
  }
}
</style>